Upgrade to Pro — share decks privately, control downloads, hide ads and more …
Sign up for free

SOLID - Dependency inversion principle

Avatar for Amanda Amanda
October 09, 2018
Technology
100
0

SOLID - Dependency inversion principle

Avatar for Amanda

Amanda

October 09, 2018

More Decks by Amanda

See All by Amanda
Lessons Learned From an Elixir OTP Project
Avatar for Amanda amandasposito
2
110
Aprendizados de um projeto Elixir OTP
Avatar for Amanda amandasposito
4
650
Como concorrência funciona em Elixir?
Avatar for Amanda amandasposito
1
240
Programação Funcional & Elixir
Avatar for Amanda amandasposito
3
140
Ecto, você sabe o que é ?
Avatar for Amanda amandasposito
4
250
Novidades no Rails 5
Avatar for Amanda amandasposito
0
110
Rails Engines & RSpec
Avatar for Amanda amandasposito
0
250
Elixir e Phoenix
Avatar for Amanda amandasposito
3
600
Elixir em 5 minutos
Avatar for Amanda amandasposito
1
110

Other Decks in Technology

See All in Technology
フルカイテン株式会社 エンジニア向け採用資料
Avatar for FULL KAITEN fullkaiten
0
12k
事業課題から技術的負債に向き合う
Avatar for SansanTech sansantech
PRO
2
2.3k
2026-09-18 gotanda.sre Terraformで複数環境作ったり、複数Stateに分割したりそれとTerragrunt / Terraform multi envs and multi states
Avatar for SUZUKI Masashi masasuzu
4
710
データ_AIの事業の勝敗をわけるもの
Avatar for KJ(Kenji Matsuda) nek0128
1
480
「どのログを見ればいい？」 から始めた サーバーレス障害解析
Avatar for y_waka1 y_waka1
1
140
SREの視点で考えるSIEM活用術 〜AWS環境でのセキュリティ強化〜
Avatar for サイバーセキュリティクラウド cscengineer
PRO
0
310
白金鉱業Meetup Vol.25 アウトカムが二値のデータに対するCausal Impact
Avatar for BrainPad brainpadpr
0
290
人にやさしく、AIにやさしく、書き手を選ばないIaCのガードレール再考 / Rethinking IaC Guardrails for Humans and AI Alike
Avatar for kohbis kohbis
2
340
Claude Codeを「使うほど育つ」AI秘書にするノウハウ
Avatar for みのるん minorun365
PRO
33
31k
AI de Idea
Avatar for Yasunobu Kawaguchi kawaguti
PRO
2
130
今話題のAI「Jev」って何？ 宇宙最速で学ぶ会
Avatar for みのるん minorun365
PRO
32
21k
GoのInterface内部構造から学ぶ！最高パフォーマンスを出すコード設計
Avatar for Yappli Developers yappli_developers
1
270

Featured

See All Featured
Chasing Engaging Ingredients in Design
Avatar for Sebastian Deterding codingconduct
0
330
How to Create Impact in a Changing Tech Landscape [PerfNow 2023]
Avatar for Tammy Everts tammyeverts
56
3.5k
How to build a perfect <img>
Avatar for Jono Alderson jonoalderson
1
6k
Practical Tips for Bootstrapping Information Extraction Pipelines
Avatar for Matthew Honnibal honnibal
25
2.1k
Beyond borders and beyond the search box: How to win the global "messy middle" with AI-driven SEO
Avatar for David Carrasco davidcarrasco
3
260
Responsive Adventures: Dirty Tricks From The Dark Corners of Front-End
Avatar for Vitaly Friedman smashingmag
254
22k
Thoughts on Productivity
Avatar for Jon Yablonski jonyablonski
76
5.4k
Put a Button on it: Removing Barriers to Going Fast.
Avatar for kastner kastner
60
4.6k
Groundhog Day: Seeking Process in Gaming for Health
Avatar for Sebastian Deterding codingconduct
0
360
Imperfection Machines: The Place of Print at Facebook
Avatar for Scott Boms scottboms
270
14k
Building AI with AI
Avatar for Ines Montani inesmontani
PRO
1
1.2k
Helping Users Find Their Own Way: Creating Modern Search Experiences
Avatar for Dan Newman danielanewman
31
3.4k

Transcript

  1. SOLID Dependency Inversion Principle

  2. O que é? Onde vive?

  3. Falando um pouco de SOLID...

  4. Imagine um cenário

  5. Temos um software novo para escrever

  6. No começo é aquela alegria

  7. None

  8. As mudanças são simples, a velocidade é boa

  9. None
  10. None

  11. Fragilidade "Tendência do software de quebrar em vários lugares sempre

    que é alterado. Geralmente em lugares não relacionados conceitualmente com o local da mudança."

  12. Rigidez "Tendência do software de ser difícil de mudar. Qualquer

    mudança gera várias mudanças em sequência." https://fi.ort.edu.uy/innovaportal/file/2032/1/design_principles.pdf

  13. "Abstrações não devem depender de detalhes. Detalhes devem depender de

    abstrações."
  14. None

  15. class Copier def self.copy reader = KeyboardReader.new writer = Printer.new

    keystrokes = reader.read_until_eof writer.write(keystrokes) end end

  16. class Copier def initialize(reader, writer) @reader = reader @writer =

    writer end def copy @writer.write(@reader.read_until_eof) end end
  17. None